Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,252,365
Ball Grinding Machine
Patentee:
Otto W. Schaum (exact or similar names) - Philadelphia, PA

USPTO Classifications:
451/284

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Edwin A. Packard
G Mcgrann
Patent Dates:
Applied: Mar. 24, 1917
Granted: Jan. 01, 1918

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Copyright © 2002-2024 - DATAMP